#!/usr/bin/perl

# In the sample code, the ChartDirector for Perl module is assumed to be in "../lib"
use File::Basename;
use lib (dirname($0)."/../lib") =~ /(.*)/;

use perlchartdir;

sub createChart
{
    my $chartIndex = shift;

    # The data for the chart
    my $data = [85, 156, 179.5, 211, 123];
    my $labels = ["Mon", "Tue", "Wed", "Thu", "Fri"];

    # Create a XYChart object of size 270 x 270 pixels
    my $c = new XYChart(270, 270);

    # Set the plot area at (40, 32) and of size 200 x 200 pixels
    my $plotarea = $c->setPlotArea(40, 32, 200, 200);

    # Set the background style based on the input parameter
    if ($chartIndex == 0) {
        # Has wallpaper image
        $c->setWallpaper("tile.gif");
    } elsif ($chartIndex == 1) {
        # Use a background image as the plot area background
        $plotarea->setBackground2("bg.png");
    } elsif ($chartIndex == 2) {
        # Use white (0xffffff) and grey (0xe0e0e0) as two alternate plotarea background colors
        $plotarea->setBackground(0xffffff, 0xe0e0e0);
    } else {
        # Use a dark background palette
        $c->setColors($perlchartdir::whiteOnBlackPalette);
    }

    # Set the labels on the x axis
    $c->xAxis()->setLabels($labels);

    # Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars.
    $c->addBarLayer3($data)->setBorderColor(-1, 1);

    # Output the chart
    $c->makeChart("background$chartIndex.png")
}

createChart(0);
createChart(1);
createChart(2);
createChart(3);

#!/usr/bin/perl

# In the sample code, the ChartDirector for Perl module is assumed to be in "../lib"
use File::Basename;
use lib (dirname($0)."/../lib") =~ /(.*)/;

use perlchartdir;

# Get HTTP query parameters
use CGI;
my $query = new CGI;

# This script can draw different charts depending on the chartIndex
$chartIndex = int($query->param("img"));

# The data for the chart
my $data = [85, 156, 179.5, 211, 123];
my $labels = ["Mon", "Tue", "Wed", "Thu", "Fri"];

# Create a XYChart object of size 270 x 270 pixels
my $c = new XYChart(270, 270);

# Set the plot area at (40, 32) and of size 200 x 200 pixels
my $plotarea = $c->setPlotArea(40, 32, 200, 200);

# Set the background style based on the input parameter
if ($chartIndex == 0) {
    # Has wallpaper image
    $c->setWallpaper(dirname($0)."/tile.gif");
} elsif ($chartIndex == 1) {
    # Use a background image as the plot area background
    $plotarea->setBackground2(dirname($0)."/bg.png");
} elsif ($chartIndex == 2) {
    # Use white (0xffffff) and grey (0xe0e0e0) as two alternate plotarea background colors
    $plotarea->setBackground(0xffffff, 0xe0e0e0);
} else {
    # Use a dark background palette
    $c->setColors($perlchartdir::whiteOnBlackPalette);
}

# Set the labels on the x axis
$c->xAxis()->setLabels($labels);

# Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars.
$c->addBarLayer3($data)->setBorderColor(-1, 1);

# Output the chart
binmode(STDOUT);
print "Content-type: image/png\n\n";
print $c->makeChart2($perlchartdir::PNG);